Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YH

Yoshiaki Hagiwara

SOSony: 1 patents #734 of 2,234Top 35%
Overall (2002): #86,825 of 266,432Top 35%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6483796 Recording medium, information reproducing apparatus, information recording apparatus, and information recording and reproducing apparatus 2002-11-19